SHA256
1
0
forked from pool/systemd
systemd/parse-crypttab-for-noauto-option.patch
2015-03-27 08:39:40 +00:00

68 lines
2.1 KiB
Diff

---
src/fstab-generator/fstab-generator.c | 45 +++++++++++++++++++++++++++++++++-
1 file changed, 44 insertions(+), 1 deletion(-)
Index: systemd/src/fstab-generator/fstab-generator.c
===================================================================
--- systemd.orig/src/fstab-generator/fstab-generator.c
+++ systemd/src/fstab-generator/fstab-generator.c
@@ -48,6 +48,49 @@ static char *arg_usr_what = NULL;
static char *arg_usr_fstype = NULL;
static char *arg_usr_options = NULL;
+static int check_crypttab(const char *what) {
+ _cleanup_fclose_ FILE *f = NULL;
+ unsigned n = 0;
+
+ f = fopen("/etc/crypttab", "re");
+ if (!f) {
+ if (errno != ENOENT)
+ log_error("Failed to open /etc/crypttab: %m");
+
+ return 1;
+ }
+
+
+ for (;;) {
+ char line[LINE_MAX], *l;
+ _cleanup_free_ char *name = NULL, *device = NULL, *password = NULL, *options = NULL;
+ int k;
+
+ if (!fgets(line, sizeof(line), f))
+ break;
+
+ n++;
+
+ l = strstrip(line);
+ if (*l == '#' || *l == 0)
+ continue;
+
+ k = sscanf(l, "%ms %ms %ms %ms", &name, &device, &password, &options);
+ if (k < 2 || k > 4) {
+ log_error("Failed to parse /etc/crypttab:%u, ignoring.", n);
+ continue;
+ }
+
+ if (strcmp((what + 12), name) == 0) {
+ if (options && strstr(options, "noauto"))
+ return 0;
+
+ return 1;
+ }
+ }
+ return 1;
+}
+
static int add_swap(
const char *what,
struct mntent *me,
@@ -118,7 +161,7 @@ static int add_swap(
if (r < 0)
return r;
- if (!noauto) {
+ if (!noauto && check_crypttab(what) != 0) {
lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET,
nofail ? ".wants/" : ".requires/", name, NULL);
if (!lnk)